10 Best S&P 500 Stocks of Q1

Some of 2012's big stinkers are huge winners thus far in 2013

If you’ve been caught up in headlines about Washington spending, a eurozone breakdown thanks to Cyprus or general doom and gloom about the economy, you might have missed a heck of a rally in the stock market this year. The S&P 500 is up about 9% year-to-date as of this writing and continues to flirt with all-time highs.

Not all stocks are created equal, of course. Some investors have been left behind — and some have made dramatic returns after just a couple of months of trading in 2013.

So what are the highest-flying stocks on Wall Street, and will their run continue? Here’s a look at the 10 best performers in the S&P, as well as some thoughts about why they have rallied and what’s in store for them for the rest of the year: